# NTSB DEN67D0021: Piper PA-23, N4873P, Littleton, CO, June 17, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 17, 1966
- Place: Littleton, CO · LITTLETON, CO
- Location: 39.5904° N, 105.0201° W: Placed by OpenAirDocs: center of Littleton, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.5904&lon=-105.0201&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report September 7, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 170961
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN67D0021
- Page: https://openairdocs.org/ntsb/DEN67D0021

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1929  66/6/17    LITTLETON COLO      PIPER PA-23         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 37, 300
        TIME - 1000                    N4873P              PX-  0  0  3  BUSINESS                  TOTAL HOURS, 176 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - COLUMBINE
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- LANDED ON ROUGH SOD AREA BETWEEN TAXIWAY AND RUNWAY.
```

## Aircraft

- Registration: [N4873P](https://openairdocs.org/deregistered/N4873P-2013-03-18), registration cancelled 2013-03-18, S/N 27-452, built 1961 (OpenAirDocs)
- Reported make and model: PIPER PA-23
- Registry model: [Piper PA-23-250](https://openairdocs.org/model/piper-pa-23-250) (registry code 7102308) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Columbine

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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